Extensions 1→N→G→Q→1 with N=D4 and Q=C5:C8

Direct product G=NxQ with N=D4 and Q=C5:C8
dρLabelID
D4xC5:C8160D4xC5:C8320,1110

Semidirect products G=N:Q with N=D4 and Q=C5:C8
extensionφ:Q→Out NdρLabelID
D4:(C5:C8) = Dic5.23D8φ: C5:C8/Dic5C2 ⊆ Out D4160D4:(C5:C8)320,262

Non-split extensions G=N.Q with N=D4 and Q=C5:C8
extensionφ:Q→Out NdρLabelID
D4.(C5:C8) = D4.(C5:C8)φ: C5:C8/Dic5C2 ⊆ Out D41608D4.(C5:C8)320,270
D4.2(C5:C8) = C5:C16.C22φ: trivial image1608D4.2(C5:C8)320,1129

׿
x
:
Z
F
o
wr
Q
<